4.3=-2.1+4u

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Solution for 4.3=-2.1+4u equation: 


Simplifying
4.3 = -2.1 + 4u

Solving
4.3 = -2.1 + 4u

Solving for variable 'u'.

Move all terms containing u to the left, all other terms to the right.

Add '-4u' to each side of the equation.
4.3 + -4u = -2.1 + 4u + -4u

Combine like terms: 4u + -4u = 0
4.3 + -4u = -2.1 + 0
4.3 + -4u = -2.1

Add '-4.3' to each side of the equation.
4.3 + -4.3 + -4u = -2.1 + -4.3

Combine like terms: 4.3 + -4.3 = 0.0
0.0 + -4u = -2.1 + -4.3
-4u = -2.1 + -4.3

Combine like terms: -2.1 + -4.3 = -6.4
-4u = -6.4

Divide each side by '-4'.
u = 1.6

Simplifying
u = 1.6

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